Join your building's app and enjoy many services from your mobile. Zest. it is the simple, practical & secure application to stay informed and communicate in the building. The application allows you: • to follow in real time what is happening in your building with the follow-up of the news of the building and the escalation of incidents • interact with the occupants of the building via messenger, the forum and classified ads • benefit from services to simplify your daily life: concierge, reservation of spaces or common goods, receipt of packages and all other third-party services integrated into the application